linux-stable/include/linux/pds/pds_common.h
Brett Creeley 63f77a7161 vfio/pds: register with the pds_core PF
The pds_core driver will supply adminq services, so find the PF
and register with the DSC services.

Use the following commands to enable a VF:
echo 1 > /sys/bus/pci/drivers/pds_core/$PF_BDF/sriov_numvfs

Signed-off-by: Brett Creeley <brett.creeley@amd.com>
Signed-off-by: Shannon Nelson <shannon.nelson@amd.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20230807205755.29579-5-brett.creeley@amd.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2023-08-16 10:53:20 -06:00

52 lines
1.5 KiB
C

/* SPDX-License-Identifier: (GPL-2.0 OR Linux-OpenIB) OR BSD-2-Clause */
/* Copyright(c) 2023 Advanced Micro Devices, Inc. */
#ifndef _PDS_COMMON_H_
#define _PDS_COMMON_H_
#define PDS_CORE_DRV_NAME "pds_core"
/* the device's internal addressing uses up to 52 bits */
#define PDS_CORE_ADDR_LEN 52
#define PDS_CORE_ADDR_MASK (BIT_ULL(PDS_ADDR_LEN) - 1)
#define PDS_PAGE_SIZE 4096
enum pds_core_driver_type {
PDS_DRIVER_LINUX = 1,
PDS_DRIVER_WIN = 2,
PDS_DRIVER_DPDK = 3,
PDS_DRIVER_FREEBSD = 4,
PDS_DRIVER_IPXE = 5,
PDS_DRIVER_ESXI = 6,
};
enum pds_core_vif_types {
PDS_DEV_TYPE_CORE = 0,
PDS_DEV_TYPE_VDPA = 1,
PDS_DEV_TYPE_VFIO = 2,
PDS_DEV_TYPE_ETH = 3,
PDS_DEV_TYPE_RDMA = 4,
PDS_DEV_TYPE_LM = 5,
/* new ones added before this line */
PDS_DEV_TYPE_MAX = 16 /* don't change - used in struct size */
};
#define PDS_DEV_TYPE_CORE_STR "Core"
#define PDS_DEV_TYPE_VDPA_STR "vDPA"
#define PDS_DEV_TYPE_VFIO_STR "vfio"
#define PDS_DEV_TYPE_ETH_STR "Eth"
#define PDS_DEV_TYPE_RDMA_STR "RDMA"
#define PDS_DEV_TYPE_LM_STR "LM"
#define PDS_VDPA_DEV_NAME PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_VDPA_STR
#define PDS_VFIO_LM_DEV_NAME PDS_CORE_DRV_NAME "." PDS_DEV_TYPE_LM_STR "." PDS_DEV_TYPE_VFIO_STR
struct pdsc;
int pdsc_register_notify(struct notifier_block *nb);
void pdsc_unregister_notify(struct notifier_block *nb);
void *pdsc_get_pf_struct(struct pci_dev *vf_pdev);
int pds_client_register(struct pdsc *pf, char *devname);
int pds_client_unregister(struct pdsc *pf, u16 client_id);
#endif /* _PDS_COMMON_H_ */